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HER Number: | MDV129067 |
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Name: | Wheal Jewell Reservoir, Mary Tavy |
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Summary
Reservoir constructed in the mid-late 1930s to serve the hydro-electric power plant at Mary Tavy.
Location
Grid Reference: | SX 523 815 |
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Map Sheet: | SX58SW |
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Admin Area | Dartmoor National Park |
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Civil Parish | Mary Tavy |
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District | West Devon |
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Ecclesiastical Parish | MARY TAVY |
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Protected Status: none recorded
Other References/Statuses: none recorded
Monument Type(s) and Dates
- RESERVOIR (Constructed, Mid 20th Century - 1935 AD? to 1937 AD (Between))
Full description
South West Water, Mary Tavy Power Station (Pamphlet). SDV363934.
Electricity installers the Christy brothers bought the water rights from the Wheal Jewell and Mary Tavy Mining Company and in July 1932. Demand increased and in 1936, the West Devon Mining and Power Company built a second hydro scheme at Mary Tavy, including construction the reservoir, which holds 16million gallons of water and water is fed through a 39 inch internal diameter ductile iron pipe.
Number Two Water Plant takes water from Tavy Cleave, close to the source of the River Tavy. Water runs along a 200-year-old leat to Wheal Jewell reservoir, then through pipes into the turbines.
Royal Air Force, 1946 - 1949, Royal Air Force Aerial Photographs (Aerial Photograph). SDV342938.
Visible on the 1940s aerial images.
Harris, W. B., 1995, Hydro-Electricity in Devon: Past, Present and Future, 259-286 (Article in Serial). SDV125385.
To meet the increasing demand for hydroelectric power from the Mary Tavy station a second scheme was introduced in 1936 using water diverted from the upper reaches of the Tavy at Tavy Cleave along the 200 year old Reddaford Leat for four and a half miles. Water then entered a linear reservoir at Wheal Jewell before being taken by pipe to the power station which then became the largest hydroelectric power station in England.
Ordnance Survey, 2020, MasterMap 2020 (Cartographic). SDV363413.
Reservoir is depicted on the modern mapping.
Sources / Further Reading
SDV125385 | Article in Serial: Harris, W. B.. 1995. Hydro-Electricity in Devon: Past, Present and Future. Transactions of the Devonshire Association. 127. A5 Paperback. 259-286. |
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SDV342938 | Aerial Photograph: Royal Air Force. 1946 - 1949. Royal Air Force Aerial Photographs. Royal Air Force Aerial Photograph. Photograph (Digital). |
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SDV363413 | Cartographic: Ordnance Survey. 2020. MasterMap 2020. Ordnance Survey Digital Mapping. Digital. [Mapped feature: #127258 ] |
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Associated Monuments
MDV62957 | Part of: Hydroelectric Power Station, Mary Tavy (Monument) |
Associated Finds: none recorded
Associated Events: none recorded
Date Last Edited: | Nov 2 2020 11:23AM |
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